52878868992 has 240 divisors, whose sum is σ = 164573529120. Its totient is φ = 16290201600.

The previous prime is 52878868877. The next prime is 52878868997. The reversal of 52878868992 is 29986887825.

It is a happy number.

52878868992 is a `hidden beast` number, since 528 + 7 + 8 + 8 + 6 + 8 + 9 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 52878868992.

It is not an unprimeable number, because it can be changed into a prime (52878868997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3582267 + ... + 3596997.

It is an arithmetic number, because the mean of its divisors is an integer number (685723038).

Almost surely, 2^52878868992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52878868992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82286764560).

52878868992 is an abundant number, since it is smaller than the sum of its proper divisors (111694660128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52878868992 is a wasteful number, since it uses less digits than its factorization.

52878868992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14815 (or 14796 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 72.

The spelling of 52878868992 in words is "fifty-two billion, eight hundred seventy-eight million, eight hundred sixty-eight thousand, nine hundred ninety-two".